Measure:
Form both hands into "Y" shapes. Touch the hands together at the thumbtips.
NOTE: The sign MEASURE-(measuring -- verb form) starts with the thumbs touching and twists (pivoting at the thumb) so that the pinkies move up and down in an alternating fashion.
MEASUREMENT / SIZENOTE: The sign MEASUREMENT-( noun form) starts separated by about an inch then moves together so that the thumbs touch.
ENGINEER:
The sign MEASURE+AGENT-(engineer) adds a "person" ending to the verb form of the sign MEASURE.
Notes: